Best AI Grammar Checkers
Tested and ranked: the top 10 tools in this category.
#1
ChatGPT
✍️ Writing & Content
9.5/10
The most popular AI chatbot. Best for writing, brainstorming, coding help, and general questions.
✅ Pros:
- • Free tier generous
- • Excellent at writing
❌ Cons:
- • Can be confident but wrong
- • Free tier has limits
Pricing: Free | $20/mo
#2
Claude
✍️ Writing & Content
9.3/10
Anthropic's AI assistant. Better at nuanced writing and analysis.
✅ Pros:
- • Thoughtful responses
- • Better at creative writing
❌ Cons:
- • Free tier limited
- • Slower sometimes
Pricing: Free | $20/mo
#3
Grammarly
✍️ Writing & Content
8.9/10
AI writing assistant with grammar checking and tone suggestions.
✅ Pros:
- • Excellent grammar checking
- • Works everywhere
❌ Cons:
- • Premium expensive
- • AI features limited
Pricing: Free | $12/mo
#4
Sudowrite
✍️ Writing & Content
8.7/10
AI writing tool specifically for fiction and creative writing.
✅ Pros:
- • Great for fiction
- • Story development
❌ Cons:
- • Expensive
- • Learning curve
Pricing: $10/mo | $25/mo
#5
Wordtune
✍️ Writing & Content
8.4/10
AI writing companion that suggests rewrites and improvements.
✅ Pros:
- • Smart suggestions
- • Chrome extension
❌ Cons:
- • Premium expensive
- • Can be too aggressive
Pricing: Free | $10/mo
#6
Lex
✍️ Writing & Content
8.3/10
AI-powered writing tool for articles and long-form content.
✅ Pros:
- • Clean interface
- • AI suggestions
❌ Cons:
- • Limited free tier
- • Still in beta
Pricing: Free | $12/mo
#7
Quilbot
✍️ Writing & Content
8.2/10
AI paraphrasing tool and grammar checker.
✅ Pros:
- • Excellent paraphrasing
- • Citation generator
❌ Cons:
- • Premium needed for best features
- • Can change meaning
Pricing: Free | $9/mo
#8
Writesonic
✍️ Writing & Content
8.1/10
AI writer with ChatGPT-4 access and SEO tools.
✅ Pros:
- • Affordable
- • ChatGPT-4 access
❌ Cons:
- • Interface cluttered
- • Quality varies
Pricing: $16/mo | $500 lifetime
#9
Anyword
✍️ Writing & Content
8.1/10
AI copywriting with predictive performance scores.
✅ Pros:
- • Performance predictions
- • A/B testing
❌ Cons:
- • Expensive
- • Marketing focused
Pricing: $49/mo
#10
ProWritingAid
✍️ Writing & Content
8.0/10
Writing coach and grammar checker for serious writers.
✅ Pros:
- • In-depth reports
- • Style suggestions
❌ Cons:
- • Expensive
- • Overwhelming for beginners
Pricing: $20/mo | $399 lifetime